LIN COMMUNICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

*: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    Tech Tips

    If the voltage is below 11 V, recharge or replace the battery before proceeding.


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  3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the intelligent tester, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

      Result
      Result Proceed to
      No DTCs output A
      DTCs output B

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Using the intelligent tester, inspect the LIN communication function to ensure there are no malfunctions in the communication system Click here.

      Result
      Result Proceed to
      No DTCs output (LIN communication error does not occur.) A
      No DTCs output (LIN communication error occurs.) B
      DTCs output C

      B

      PROBLEM SYMPTOMS TABLE Click here

      C

      DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. DATA LIST/ACTIVE TEST Click here

    2. Terminals of ECU Click here


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  6. ADJUST, REPAIR OR REPLACE


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    END